Docs: Add <details><summary> to hide design callouts

[louismaximepiton]

Note: Please transform - [ ] into - (NA) in the description when things are not applicable

Related issues

NA

Description

Added small CSS to handle these hidden parts.
Some design callouts weren't hidden for understanding of the doc (navs&tabs, navbar, introduction, badge and so on).

Summary used in the doc for the details summary:
See Bootstrap example(s) incompatible with Orange Design System

Several questions to answer before merging this:

• Is the design ok?
• Is the information loss fine?

Motivation & Context

Following the refactoring of buttons and dropdowns.
Avoid polluting the user experience.

Types of change

• New feature (non-breaking change which adds functionality)

Live previews

• https://deploy-preview-2548--boosted.netlify.app/

Checklist

Contribution

• I have read the contributing guidelines

Accessibility

• My change follows accessibility good practices; I have at least run axe

Design

• My change respects the design guidelines defined in Orange Design System
• My change is compatible with a responsive display

Development

• My change follows the developer guide
• I have added JavaScript unit tests to cover my changes
• I have added SCSS unit tests to cover my changes

Documentation

• My change introduces changes to the documentation and/or I have updated the documentation accordingly

Checklist (for Core Team only)

• My change introduces changes to the migration guide
• My new component is well displayed in Storybook
• My new component is compatible with RTL
• Manually run BrowserStack tests
• Manually test browser compatibility with BrowserStack (Chrome >= 60, Firefox >= 60 (+ ESR), Edge, Safari >= 12, iOS Safari, Chrome & Firefox on Android)
• Code review
• Design review
• A11y review

After the merge

• Manually launch Percy tests

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[hannahiss]

Wording should be reviewed sometimes.
The details summary should mention the incompatibility with ODS.

[hannahiss]

Missing some details on pages in utilities, like colors, links, ....